12 Days of Christmas
23rd
99 Bottles of Beer
32nd
Abundant Numbers
15th
ASCII Table
11th
Card Number Validation
7th
Christmas Trees
20th
Collatz
112th586th56th22nd
Evil Numbers
33rd
Farey Sequence
13th
Fizz Buzz
89th
Foo Fizz Buzz Bar
31st16th
Happy Numbers
31st
ISBN
10th
Leap Years
30th
Niven Numbers
38th
Odious Numbers
36th
PalindromemordnilaP
7th
Pangram Grep
20th
Pascal’s Triangle
22nd
Transpose Sentence
7th
Trinomial Triangle
6th